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Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2025, 01:23

General

  • Target

    dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c.exe

  • Size

    1.7MB

  • MD5

    72e07ec26f886b593179c6bde218541f

  • SHA1

    4b2342ef771faaa5c4a488309c62406cabf3b463

  • SHA256

    dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c

  • SHA512

    8d2df2a654b7afdfe6d7816c9f8384d69b3ccd3dddf2cd04bb4b527d7fbc901ee6a353b993dec64c0c589b2b0fc9ff1bb119e729cabc868955f8443ac8702d8e

  • SSDEEP

    24576:ISexfdrvysXV1HWmwWOs/X3sf/Xq7TYA2rQtlHPI4af:1MHWIOyYzQB

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7351654760:AAFbpZoZSrKZKoCJV2by7hbyBL3xnGEoUrU/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c.exe
    "C:\Users\Admin\AppData\Local\Temp\dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c.exe
      "C:\Users\Admin\AppData\Local\Temp\dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c.exe

    Filesize

    1.7MB

    MD5

    72e07ec26f886b593179c6bde218541f

    SHA1

    4b2342ef771faaa5c4a488309c62406cabf3b463

    SHA256

    dc6fa89d93f4e7aa0da35a1ec6b3e05d211325974a9e08beaa0a521653897f1c

    SHA512

    8d2df2a654b7afdfe6d7816c9f8384d69b3ccd3dddf2cd04bb4b527d7fbc901ee6a353b993dec64c0c589b2b0fc9ff1bb119e729cabc868955f8443ac8702d8e

  • memory/1196-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

    Filesize

    4KB

  • memory/1196-1-0x0000000000E70000-0x0000000001020000-memory.dmp

    Filesize

    1.7MB

  • memory/1196-2-0x0000000000B20000-0x0000000000B92000-memory.dmp

    Filesize

    456KB

  • memory/1196-3-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1196-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

    Filesize

    4KB

  • memory/1196-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1196-6-0x00000000005E0000-0x00000000005E8000-memory.dmp

    Filesize

    32KB

  • memory/1196-22-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2276-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-23-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2276-21-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-24-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB